Use common routines in drivers/acpi/resource.c to parse ACPI device
resources while creating platform device objects.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Move some code used for parsing ACPI device resources from the PNP
subsystem to the ACPI core, so that other bus types (platform, SPI,
I2C) can use the same routines for parsing resources in a consistent
way, without duplicating code.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Using _UID makes the ACPI platform bus code depend on BIOS to get it
right. If it doesn't we fail to create the platform device as the name
should be unique.
The ACPI core already makes a unique name when it first creates the ACPI
device so we can use that same name as the platform device name instead of
trusting that the BIOS sets the _UIDs correctly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
With ACPI 5 it is now possible to enumerate traditional SoC
peripherals, like serial bus controllers and slave devices behind
them. These devices are typically based on IP-blocks used in many
existing SoC platforms and platform drivers for them may already
be present in the kernel tree.
To make driver "porting" more straightforward, add ACPI support to
the platform bus type. Instead of writing ACPI "glue" drivers for
the existing platform drivers, register the platform bus type with
ACPI to create platform device objects for the drivers and bind the
corresponding ACPI handles to those platform devices.
This should allow us to reuse the existing platform drivers for the
devices in question with the minimum amount of modifications.
This changeset is based on Mika Westerberg's and Mathias Nyman's
work.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
These functions might be called from modules as well so make sure
they are exported.
In addition, implement empty version of acpi_unregister_gsi() and
remove the one from pci_irq.c.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce function acpi_match_device() allowing callers to match
struct device objects with populated acpi_handle fields against
arrays of ACPI device IDs. Also introduce function
acpi_driver_match_device() using acpi_match_device() internally and
allowing callers to match a struct device object against an array of
ACPI device IDs provided by a device driver.
Additionally, introduce macro ACPI_PTR() that may be used by device
drivers to escape pointers to data structures whose definitions
depend on CONFIG_ACPI.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
With ACPI 5 we are starting to see devices that don't natively support
discovery but can be enumerated with the help of the ACPI namespace.
Typically, these devices can be represented in the Linux device driver
model as platform devices or some serial bus devices, like SPI or I2C
devices.
Since we want to re-use existing drivers for those devices, we need a
way for drivers to specify the ACPI IDs of supported devices, so that
they can be matched against device nodes in the ACPI namespace. To
this end, it is sufficient to add a pointer to an array of supported
ACPI device IDs, that can be provided by the driver, to struct device.
Moreover, things like ACPI power management need to have access to
the ACPI handle of each supported device, because that handle is used
to invoke AML methods associated with the corresponding ACPI device
node. The ACPI handles of devices are now stored in the archdata
member structure of struct device whose definition depends on the
architecture and includes the ACPI handle only on x86 and ia64. Since
the pointer to an array of supported ACPI IDs is added to struct
device_driver in an architecture-independent way, it is logical to
move the ACPI handle from archdata to struct device itself at the same
time. This also makes code more straightforward in some places and
follows the example of Device Trees that have a poiter to struct
device_node in there too.
This changeset is based on Mika Westerberg's work.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull networking fixes from David Miller:
"Bug fixes galore, mostly in drivers as is often the case:
1) USB gadget and cdc_eem drivers need adjustments to their frame size
lengths in order to handle VLANs correctly. From Ian Coolidge.
2) TIPC and several network drivers erroneously call tasklet_disable
before tasklet_kill, fix from Xiaotian Feng.
3) r8169 driver needs to apply the WOL suspend quirk to more chipsets,
fix from Cyril Brulebois.
4) Fix multicast filters on RTL_GIGA_MAC_VER_35 r8169 chips, from
Nathan Walp.
5) FDB netlink dumps should use RTM_NEWNEIGH as the message type, not
zero. From John Fastabend.
6) Fix smsc95xx tx checksum offload on big-endian, from Steve
Glendinning.
7) __inet_diag_dump() needs to repsect and report the error value
returned from inet_diag_lock_handler() rather than ignore it.
Otherwise if an inet diag handler is not available for a particular
protocol, we essentially report success instead of giving an error
indication. Fix from Cyrill Gorcunov.
8) When the QFQ packet scheduler sees TSO/GSO packets it does not
handle things properly, and in fact ends up corrupting it's
datastructures as well as mis-schedule packets. Fix from Paolo
Valente.
9) Fix oopser in skb_loop_sk(), from Eric Leblond.
10) CXGB4 passes partially uninitialized datastructures in to FW
commands, fix from Vipul Pandya.
11) When we send unsolicited ipv6 neighbour advertisements, we should
send them to the link-local allnodes multicast address, as per
RFC4861. Fix from Hannes Frederic Sowa.
12) There is some kind of bug in the usbnet's kevent deferral
mechanism, but more immediately when it triggers an uncontrolled
stream of kernel messages spam the log. Rate limit the error log
message triggered when this problem occurs, as sending thousands
of error messages into the kernel log doesn't help matters at all,
and in fact makes further diagnosis more difficult.
From Steve Glendinning.
13) Fix gianfar restore from hibernation, from Wang Dongsheng.
14) The netlink message attribute sizes are wrong in the ipv6 GRE
driver, it was using the size of ipv4 addresses instead of ipv6
ones :-) Fix from Nicolas Dichtel."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
gre6: fix rtnl dump messages
gianfar: ethernet vanishes after restoring from hibernation
usbnet: ratelimit kevent may have been dropped warnings
ipv6: send unsolicited neighbour advertisements to all-nodes
net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs
usb: gadget: g_ether: fix frame size check for 802.1Q
cxgb4: Fix initialization of SGE_CONTROL register
isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES
cxgb4: Initialize data structures before using.
af-packet: fix oops when socket is not present
pkt_sched: enable QFQ to support TSO/GSO
net: inet_diag -- Return error code if protocol handler is missed
net: bnx2x: Fix typo in bnx2x driver
smsc95xx: fix tx checksum offload for big endian
rtnetlink: Use nlmsg type RTM_NEWNEIGH from dflt fdb dump
ptp: update adjfreq callback description
r8169: allow multicast packets on sub-8168f chipset.
r8169: Fix WoL on RTL8168d/8111d.
drivers/net: use tasklet_kill in device remove/close process
tipc: do not use tasklet_disable before tasklet_kill
Pull sparc fixes from David Miller:
"Several build/bug fixes for sparc, including:
1) Configuring a mix of static vs. modular sparc64 crypto modules
didn't work, remove an ill-conceived attempt to only have to build
the device match table for these drivers once to fix the problem.
Reported by Meelis Roos.
2) Make the montgomery multiple/square and mpmul instructions actually
usable in 32-bit tasks. Essentially this involves providing 32-bit
userspace with a way to use a 64-bit stack when it needs to.
3) Our sparc64 atomic backoffs don't yield cpu strands properly on
Niagara chips. Use pause instruction when available to achieve
this, otherwise use a benign instruction we know blocks the strand
for some time.
4) Wire up kcmp
5) Fix the build of various drivers by removing the unnecessary
blocking of OF_GPIO when SPARC.
6) Fix unintended regression wherein of_address_to_resource stopped
being provided. Fix from Andreas Larsson.
7) Fix NULL dereference in leon_handle_ext_irq(), also from Andreas
Larsson."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix build with mix of modular vs. non-modular crypto drivers.
sparc: Support atomic64_dec_if_positive properly.
of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again
sparc32, leon: Check for existent irq_map entry in leon_handle_ext_irq
sparc: Add sparc support for platform_get_irq()
sparc: Allow OF_GPIO on sparc.
qlogicpti: Fix build warning.
sparc: Wire up sys_kcmp.
sparc64: Improvde documentation and readability of atomic backoff code.
sparc64: Use pause instruction when available.
sparc64: Fix cpu strand yielding.
sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads.
* Fix compile issues on ARM.
* Fix hypercall fallback code for old hypervisors.
* Print out which HVM parameter failed if it fails.
* Fix idle notifier call after irq_enter.
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Merge tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
"There are three ARM compile fixes (we forgot to export certain
functions and if the drivers are built as an module - we go belly-up).
There is also an mismatch of irq_enter() / exit_idle() calls sequence
which were fixed some time ago in other piece of codes, but failed to
appear in the Xen code.
Lastly a fix for to help in the field with troubleshooting in case we
cannot get the appropriate parameter and also fallback code when
working with very old hypervisors."
Bug-fixes:
- Fix compile issues on ARM.
- Fix hypercall fallback code for old hypervisors.
- Print out which HVM parameter failed if it fails.
- Fix idle notifier call after irq_enter.
* tag 'stable/for-linus-3.7-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/arm: Fix compile errors when drivers are compiled as modules (export more).
xen/arm: Fix compile errors when drivers are compiled as modules.
xen/generic: Disable fallback build on ARM.
xen/events: fix RCU warning, or Call idle notifier after irq_enter()
xen/hvm: If we fail to fetch an HVM parameter print out which flag it is.
xen/hypercall: fix hypercall fallback code for very old hypervisors
This adds sparc support for platform_get_irq that in the normal case use
platform_get_resource() to get an irq. This standard approach fails for sparc as
there are no resources of type IORESOURCE_IRQ for irqs for sparc.
Cross platform drivers can then use this standard platform function and work on
sparc instead of having to have a special case for sparc.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If a gianfar ethernet device is down prior to hibernating a
system, it will no longer be present upon system restore.
For example:
~# ifconfig eth0 down
~# echo disk > /sys/power/state
<trigger a restore from hibernation>
~# ifconfig eth0 up
SIOCSIFFLAGS: No such device
This happens because the restore function bails out early upon
finding devices that were not up at hibernation. In doing so,
it never gets to the netif_device_attach call at the end of
the restore function. Adding the netif_device_attach as done
here also makes the gfar_restore code consistent with what is
done in the gfar_resume code.
Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
when something goes wrong, a flood of these messages can be
generated by usbnet (thousands per second). This doesn't
generally *help* the condition so this patch ratelimits the
rate of their generation.
There's an underlying problem in usbnet's kevent deferral
mechanism which needs fixing, specifically that events *can*
get dropped and not handled. This patch doesn't address this,
but just mitigates fallout caused by the current implemention.
Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull drm fixes (again) from Dave Airlie:
"dropped the ball on a vmware patch, so two more fixes for vmwgfx are
here, one for hibernate issue, one for a BUG trigger."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix a case where the code would BUG when trying to pin GMR memory
drm/vmwgfx: Fix hibernation device reset
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Cc: stable@vger.kernel.org
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
The device would not reset properly when resuming from hibernation.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Cc: stable@vger.kernel.org
Cc: linux-graphics-maintainer@vmware.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
- A set of SPEAr pinctrl fixes that recently arrived
- A fixup for the Samsung/Exynos Kconfig deps
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Merge tag 'pinctrl-for-v3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
- A set of SPEAr pinctrl fixes that recently arrived
- A fixup for the Samsung/Exynos Kconfig deps
* tag 'pinctrl-for-v3.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: samsung and exynos need to depend on OF && GPIOLIB
pinctrl: SPEAr1340: Add clcd sleep mode pin configuration
pinctrl: SPEAr1340: Make DDR reset & clock pads as gpio
pinctrl: SPEAr1310: add register entries for enabling pad direction
pinctrl: SPEAr1310: Separate out pci pins from pcie_sata pin group
pinctrl: SPEAr1310: Fix value of PERIP_CFG reigster and MCIF_SEL_SHIFT
pinctrl: SPEAr1310: fix clcd high resolution pin group name
pinctrl: SPEAr320: Correct pad mux entries for rmii/smii
pinctrl: SPEAr3xx: correct register space to configure pwm
pinctrl: SPEAr: Don't update all non muxreg bits on pinctrl_disable
Pull s390 fixes from Martin Schwidefsky:
"A couple of bug fixes. I keep the fingers crossed that we now got
transparent huge pages ready for prime time."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: fix length calculation in idset.c
s390/sclp: fix addressing mode clobber
s390: Move css limits from drivers/s390/cio/ to include/asm/.
s390/thp: respect page protection in pmd_none() and pmd_present()
s390/mm: use pmd_large() instead of pmd_huge()
s390/cio: suppress 2nd path verification during resume
Pull HID fix from Jiri Kosina:
"This reverts a patch that causes regression in binding between HID
devices and drivers during device unplug/replug cycle."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: hidraw: put old deallocation mechanism in place
Pull drm fixes from Dave Airlie:
"Just radeon and nouveau, mostly regressions fixers, and a couple of
radeon register checker fixes."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: fix acpi edid retrieval
drm/nvc0/disp: fix regression in vblank semaphore release
drm/nv40/mpeg: fix context handling
drm/nv40/graph: fix typo in type names
drm/nv41/vm: fix typo in type name
drm/radeon/si: add some missing regs to the VM reg checker
drm/radeon/cayman: add some missing regs to the VM reg checker
drm/radeon/dce3: switch back to old pll allocation order for discrete
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio and module fixes from Rusty Russell:
"YA module signing build tweak, and two cc'd to stable."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
virtio: Don't access index after unregister.
modules: don't break modules_install on external modules with no key.
module: fix out-by-one error in kallsyms
just some misc regression fixes and typo fixes.
* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau: fix acpi edid retrieval
drm/nvc0/disp: fix regression in vblank semaphore release
drm/nv40/mpeg: fix context handling
drm/nv40/graph: fix typo in type names
drm/nv41/vm: fix typo in type name
Virtio wants to release used indices after the corresponding
virtio device has been unregistered. However, virtio does not
hold an extra reference, giving up its last reference with
device_unregister(), making accessing dev->index afterwards
invalid.
I actually saw problems when testing my (not-yet-merged)
virtio-ccw code:
- device_add virtio-net,id=xxx
-> creates device virtio<n> with n>0
- device_del xxx
-> deletes virtio<n>, but calls ida_simple_remove with an
index of 0
- device_add virtio-net,id=xxx
-> tries to add virtio0, which is still in use...
So let's save the index we want to release before calling
device_unregister().
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Cc: stable@kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Commit c0077061e7 accidentally inverted the logic for nouveau_acpi_edid,
causing it to only show a connector as connected when the edid could not
be retrieved with acpi.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
nv04_graph_priv / nv04_graph_chan are not defined in this context...
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
It's a miracle it compiles at all - nv04_vm_priv does not exist
anywhere in the tree.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This register is needed for streamout to work properly.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
cdc_eem frames might need to contain 802.1Q VLAN Ethernet frames.
URB/skb sizing from usbnet will default to the hard_mtu,
so account for the VLAN header by expanding that via hard_header_len
Signed-off-by: Ian Coolidge <iancoolidge@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Checking skb->len against ETH_FRAME_LEN assumes a 1514
ethernet frame size. With an 802.1Q VLAN header, ethernet
frame length can now be 1518. Validate frame length against that.
Signed-off-by: Ian Coolidge <iancoolidge@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
INGPADBOUNDARY_MASK is already shifted. No need to shift it again. On reloading
a driver it was resulting in a bad SGE FL MTU sizes [1536, 9088] error. This
only causes an issue on systems that have L1 cache size of 32B, 128B, 512B,
2048B or 4096B.
Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It doesn't make much sense to enable ISDN services if you don't
intend to connect to a network. Therefore insisting that ISDN
depends on NETDEVICES seems logical. We can then remove any
guards mentioning NETDEVICES inside all subordinate drivers.
This also has the nice side-effect of fixing the warning below
when ISDN_I4L && !CONFIG_NETDEVICES at compile time.
This patch fixes:
drivers/isdn/i4l/isdn_common.c: In function ‘isdn_ioctl’:
drivers/isdn/i4l/isdn_common.c:1278:8: warning: unused variable ‘s’ [-Wunused-variable]
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should not assume reserve fields to be don't cares as fields may change.
Clearing data structures before using.
Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If host clock is disabled, host cannot detect a card in case of using
CD internal for detection.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
calls as required by common clock framework.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
The of_device_id match data is now marked as const and
must not be modified. This changes the dw_mmc to mark
all pointers passing the dw_mci_drv_data or dw_mci_dma_ops
structures as const, and also marks the static definitions
as const.
drivers/mmc/host/dw_mmc-exynos.c: In function 'dw_mci_exynos_probe':
drivers/mmc/host/dw_mmc-exynos.c:234:11: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
The MODULE_DEVICE_TABLE entry for dw_mci_exynos_match
was incorrectly copied from the platform back-end, which
causes this error when building the driver as a loadable
module:
drivers/mmc/host/dw_mmc-exynos.c: At top level:
drivers/mmc/host/dw_mmc-exynos.c:226:34: error: '__mod_of_device_table' aliased to undefined symbol 'dw_mci_pltfm_match'
This patch fixes the problem by just using the correct
string.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Commit 473b095a72 ("mmc: sdhci: fix incorrect command used in tuning")
introduced a NULL dereference at resume-time if an SD 3.0 host controller
raises the SDHCI_NEEDS_TUNING flag while no card is inserted. Seen on an
OLPC XO-4 with sdhci-pxav3, but presumably affects other controllers too.
Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: stable <stable@vger.kernel.org> [3.3+]
There are two problems here:
The check for vmmc was printing an unnecessary pr_info() when
host->vmmc is NULL.
The intent of the check for vqmmc was to only remove UHS if we have a
regulator that doesn't support the required voltage, but since IS_ERR()
doesn't catch NULL, we were actually removing UHS modes if vqmmc isn't
present at all -- since it isn't present for most users, this breaks
UHS for them. This patch fixes that UHS regression in 3.7-rc1.
Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Bin Wang <binw@marvell.com>
Reviewed-by: Philip Rakity <prakity@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
1. Never ever publish a device in the system before it has been setup
to a usable state.
2. Unregister the device _BEFORE_ taking away any resources it may be
using.
3. Don't check clks against NULL.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
A recent commit "mmc: sh_mmcif: fix clock management" has introduced a
use after free bug in sh_mmcif.c: in sh_mmcif_remove() the call to
mmc_free_host() frees private driver data, therefore using it afterwards
is a bug. Revert that hunk.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: stable@vger.kernel.org [3.6]
Signed-off-by: Chris Ball <cjb@laptop.org>
The SDHCI standard defines a 256 byte register set but a device
that specifies a larger iomem region is not an error. Alter the
message condition accordingly.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
The correct name for the driver is "mxc-mmc".
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
dev->platform_data is NULL in case of device tree boot,
instead use the saved version in struct omap_hsmmc_host.
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
struct omap_hsmmc_host *host should not be accessed after mmc_free_host().
Reorder mmc_free_host() after iounmap(host->base).
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
800d78bfcc ("mmc: dw_mmc: add support for implementation specific
callbacks") -- merged in v3.7-rc1 -- introduced multiple NULL pointer
dereferences when the default dw_mci_pltfm_probe() is used, as it sets
host->drv_data to NULL, and that's only checked against NULL in 1 out of
the 7 cases where it is dereferenced.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
